In the radio field, FM stands for 'Frequency Modulation'.
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Frequency Modulation
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You mean "What is FM the abbreviated form of?"? You can't abbreviate "fm". FM is the abbreviated form of "Frequency Modulation".
FM broadcasting is a broadcast technology invented by Edwin Armstrong that used Frequency Modulation (FM) to provide high fidelity sound over broadcast radio
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Frequency ModulationFM broadcasting is a broadcast technology invented by Edwin Armstrong that used Frequency Modulation (FM) to provide high fidelity sound over broadcast radioFrequency Modulated and Amplitude Modulation :) The way a signal is transmitted.
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Actually, AM is better than FM. AM can cover the world, and is the best form of communication. FM is completely worthless except for the fact that it's better sounding.
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